Polymycin
多链丝霉素
🗣️ 情景例句
She hasn't been employed for six months now.
她已经失业半年了。
Not all butter that the cow yields.
母牛所产的未必全是黄油。
He could hear their crying, also children's voices.
他可以听到妇女们的哭声，还有孩子们的声音。